Although some agreements may differ slightly from one country to another, this application aims to standardize the writing of African languages.

The African reference alphabet (ARB) is an alphabet based on the Latin alphabet, proposed to the Niamey meeting, organized by UNESCO in Niger in 1978.

The Niamey meeting recommended the use of a letter with or without diacritical accents to represent a phoneme instead of digram or trigram.

The Africa Alphabet (AIA) is an alphabet based on the Latin alphabet, proposed in 1927 by the International Institute of African Languages ​​and Cultures of London under the direction of Diedrich Westermann. It was created to allow the transcription of African languages ​​for scientific and practical uses.

The Alphabet of national languages ​​is a set of rules for writing languages ​​of Benin, developed by the National Language Commission (NLC) in 1975.

The Pan-Nigerian Alphabet is a set of Latin characters including diacritics letters and more letters. It was designed so that we can, in theory, write all the languages ​​of Nigeria

Standardization and standardization of the spelling of the Zaire national language is a set of alphabetic spelling rules and criteria recommended by a commission of the first seminar linguists Zaire (now Democratic Republic of Congo) in Lubumbashi from 22 to 26 May 1974. the directly concerned languages: Kikongo, Lingala, Swahili and tshiluba.

The General Alphabet of Cameroon Languages ​​(LCFA) is a subset of the Phonetic Alphabet of African Languages, which is a set of graphs created for languages ​​of Cameroon.

This alphabet is based on the Latin alphabet and uses additional letters. It comes from the Bantu languages ​​of the alphabet in 1970. It was created in 1978, edited by Maurice Tadadjeu and Étienne Sadembouo, tested for a year and adopted under the auspices of the University of Yaounde and Scientific Research (ONAREST ) with the participation of linguists SIL International. It is published again in 1984.

The National Association of Cameroonian languages ​​Commissions (ANACLAC) adopted the LCFA as alphabet and spelling for his work in Cameroonian languages.

PS. Phonology studied SPELL organization of the sounds of language, while phonetics is interested in sounds as acoustic units. Phonetics is to associate each has its unique symbol, while phonology gives the orthographic rules of reading of a word.